@Override
protected void validate(HttpAction action) {
HttpServletRequest request = action.request;
if (HttpNames.METHOD_OPTIONS.equals(request.getMethod())) return;
if (!HttpNames.METHOD_POST.equalsIgnoreCase(request.getMethod()))
ServletOps.errorMethodNotAllowed("SPARQL Update : use POST");
ContentType ct = FusekiLib.getContentType(action);
if (ct == null) ct = ctSPARQLUpdate;
if (matchContentType(ctSPARQLUpdate, ct)) {
String charset = request.getCharacterEncoding();
if (charset != null && !charset.equalsIgnoreCase(charsetUTF8))
ServletOps.errorBadRequest("Bad charset: " + charset);
validate(action, paramsPOST);
return;
}
if (isHtmlForm(ct)) {
int x =
countParamOccurences(request, paramUpdate) + countParamOccurences(request, paramRequest);
if (x == 0) ServletOps.errorBadRequest("SPARQL Update: No 'update=' parameter");
if (x != 1) ServletOps.errorBadRequest("SPARQL Update: Multiple 'update=' parameters");
String requestStr = request.getParameter(paramUpdate);
if (requestStr == null) requestStr = request.getParameter(paramRequest);
if (requestStr == null) ServletOps.errorBadRequest("SPARQL Update: No update= in HTML form");
validate(action, paramsForm);
return;
}
ServletOps.error(
HttpSC.UNSUPPORTED_MEDIA_TYPE_415,
"Must be "
+ contentTypeSPARQLUpdate
+ " or "
+ contentTypeHTMLForm
+ " (got "
+ ct.getContentType()
+ ")");
}
